Graphene Supported Pt/Ni Nanoparticles as Magnetically Separable Nanocatalysts
Figure 5
Hysteresis loop of Pt/Ni-G hybrids measured by SQUID magnetometer at 300 K (a). Successive UV-Vis spectra showing the reduction of 4-NP catalyzed by 4.0 μg Pt/Ni-G hybrids (b).
